An apparatus and method for detecting the volume of a liquid drop, and a method for adjusting the volume of a liquid drop are disclosed, so as to improve the convenience in making adjustment and measurement, and to alleviate a measure error. The detecting apparatus includes at least one measuring unit, where each of the at least one measuring unit includes: a first measurement groove, at least one second measurement groove, and a third measurement groove arranged adjacent to the second measurement groove, where the capacity of the first measurement groove is more than the total capacity of the second measurement grooves, the height of a sidewall of the first measurement groove shared by the second measurement groove arranged adjacent thereto is less than the height of a sidewall of the first measurement groove not shared by the second measurement groove.
Legal claims defining the scope of protection, as filed with the USPTO.
1. An apparatus for detecting a volume of a liquid drop, comprising: at least one measuring unit, wherein each of the at least one measuring unit comprises: a first measurement groove; at least one second measurement groove arranged adjacent to the first measurement groove; and a third measurement groove arranged adjacent to the second measurement groove, wherein a capacity of the first measurement groove is more than a total capacity of all second measurement grooves, a height of a sidewall of the first measurement groove shared by the second measurement groove arranged adjacent thereto is less than a height of a sidewall of the first measurement groove not shared by the second measurement groove, a height of a sidewall of the second measurement groove shared by the third measurement groove arranged adjacent thereto is less than a height of a sidewall of the second measurement groove not shared by the third measurement groove and the first measurement groove, and the height of the sidewall of the second measurement groove shared by the third measurement groove arranged adjacent thereto is less than the height of the sidewall of the first measurement groove not shared by the second measurement groove.
2. The apparatus for detecting the volume of a liquid drop according to claim 1 , wherein the detecting apparatus further comprises: a detecting component configured to detect whether there is a liquid drop in the first measurement groove, the second measurement groove, and the third measurement groove.
3. The apparatus for detecting the volume of a liquid drop according to claim 2 , wherein the detecting component is a camera.
4. The apparatus for detecting the volume of a liquid drop according to claim 3 , wherein the camera is arranged on a sprayer to be tested.
5. The apparatus for detecting the volume of a liquid drop according to claim 1 , wherein a quantity of second measurement grooves is one, and a quantity of third measurement grooves is one; and a height of a first sidewall of the first measurement groove is less than a height of other sidewall of the first measurement groove than the first sidewall, and a height of a second sidewall of the second measurement groove is less than a height of other sidewall of the second measurement groove than the second sidewall, wherein the first sidewall is a sidewall shared by the first measurement groove and the second measurement groove, and the second sidewall is a sidewall shared by the second measurement groove and the third measurement groove.
6. The apparatus for detecting the volume of a liquid drop according to claim 1 , wherein the second measurement groove is an annular groove surrounding the first measurement groove, and the third measurement groove is an annular groove surrounding the second measurement groove.
7. The apparatus for detecting the volume of a liquid drop according to claim 1 , wherein a ratio of the capacity of the first measurement groove to the total capacity of all the second measurement grooves adjacent thereto ranges from 100:1 to 1000:1.
8. The apparatus for detecting the volume of a liquid drop according to claim 7 , wherein the capacity of the first measurement groove ranges from 100 pL to 1000 pL, the total capacity of the second measurement grooves ranges from 1 pL to 10 pL, and the total capacity of the third measurement grooves ranges from 0.1 pL to 1 pL.
9. The apparatus for detecting the volume of a liquid drop according to claim 1 , wherein a ratio of the total capacity of all the second measurement grooves to the total capacity of all the third measurement grooves ranges from 10:1 to 100:1.
10. The apparatus for detecting the volume of a liquid drop according to claim 9 , wherein the capacity of the first measurement groove ranges from 100 pL to 1000 pL, the total capacity of the second measurement grooves ranges from 1 pL to 10 pL, and the total capacity of the third measurement grooves ranges from 0.1 pL to 1 pL.
11. The apparatus for detecting the volume of a liquid drop according to claim 1 , wherein there are a plurality of measuring units corresponding in a one-to-one manner to nozzles of sprayers to be measured.
12. The apparatus for detecting the volume of a liquid drop according to claim 11 , wherein the nozzles of the sprayers to be measured correspond to the first measurement grooves in the measuring units.
13. The apparatus for detecting the volume of a liquid drop according to claim 12 , wherein ratios of the capacities of the first measurement grooves to the total capacities of all the second measurement grooves adjacent thereto, in the respective measuring units are different; and/or ratios of the total capacities of all the second measurement grooves to the total capacities of all the third measurement grooves, in the respective measuring units are different.
14. The apparatus for detecting the volume of a liquid drop according to claim 1 , wherein the first measurement groove, the second measurement groove, and the third measurement groove are cuboid measurement grooves.
15. The apparatus for detecting the volume of a liquid drop according to claim 1 , wherein the detecting apparatus further comprises: a test substrate on which the measuring unit is arranged, wherein the test substrate is a glass substrate.
16. A method for detecting the volume of a liquid drop, using the apparatus for detecting the volume of a liquid drop according to claim 1 , the method comprising: dropping a preset number of liquid drops into the first measurement groove of the measuring unit corresponding to a sprayer to be tested, using the sprayer to be tested; and detecting whether there is liquid drop in the first measurement groove, the second measurement groove, and the third measurement groove of the measuring unit.
17. The method for detecting the volume of a liquid drop according to claim 16 , wherein the detecting apparatus further comprises: a detecting component configured to detect whether there is a liquid drop in the first measurement groove, the second measurement groove, and the third measurement groove of the measuring unit, wherein operation of detecting whether there is liquid drop in the first measurement groove, the second measurement groove, and the third measurement groove of the measuring unit is performed by the detecting component.
18. A method for adjusting the volume of a liquid drop using the apparatus for detecting the volume of a liquid drop according to claim 1 , the method comprising: dropping a preset number of liquid drops into the first measurement groove of the measuring unit corresponding to a sprayer to be tested, using the sprayer to be tested; detecting whether there is a liquid drop in the first measurement groove, the second measurement groove, and the third measurement groove of the measuring unit; and adjusting the volume of a liquid drop ejected from a nozzle of the sprayer to be tested, according to a detection result until there are liquid drops in the second measurement groove, and no liquid drops in the third measurement groove.
19. The method for detecting the volume of a liquid drop according to claim 18 , wherein the detecting apparatus further comprises: a detecting component configured to detect whether there is a liquid drop in the first measurement groove, the second measurement groove, and the third measurement groove of the measuring unit, wherein operation of detecting whether there is liquid drop in the first measurement groove, the second measurement groove, and the third measurement groove of the measuring unit is performed by the detecting component.
Cooperative Patent Classification codes for this invention. Click any code to explore related patents in that topic.
August 24, 2017
February 11, 2020
Browse 5M+ US patents with plain-English claim translations and AI-generated analysis.